Dyslexia is a learning difficulty that primarily affects the skills involved in accurate and fluent word reading and spelling.
Characteristic features of dyslexia are difficulties with phonological awareness. verbal memory and verbal processing speed:
Phonological difficulties
Dyslexic children with phonological difficulties can lack automaticity with sound/letter correspondence, which is needed for decoding and pronouncing words for reading, and encoding for spelling.
Memory difficulties
Dyslexic individuals often have difficulty holding information in their short-term memory and also with retrieving it from their working memory.
Visual difficulties
Dyslexic individuals can often have difficulty with tracking accurately; they may experience glare from reading black on white, or blur from certain fonts.